The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 23, 2014
Filed:
Apr. 22, 2013
Konica Minolta, Inc., Tokyo, JP;
Kouji Sugama, Tokyo, JP;
Hiroshi Nagasawa, Tokyo, JP;
Hiroyuki Konno, Tokyo, JP;
Takako Kawamura, Tokyo, JP;
Konica Minolta, Inc., Tokyo, JP;
Abstract
The toner can obtain low-temperature fixing property, heat-resistant storability and long-term stability of charging while having excellent low-temperature fixing property. The toner is formed with toner particles containing a binder resin and a crystalline ester compound, the crystalline ester compound has a linear-chain structure, and the binder resin contains a styrene-acrylic resin including a structural unit derived from an acrylic ester monomer represented by general formula (1) below. In the general formula (1), Rrepresents a hydrogen atom or a methyl group, and Rrepresents a hydrogen atom, an alkyl group having 1 to 16 carbon atoms or an aryl group having 6 to 15 carbon atoms. m represents 2 or 3, and n represents an integer of 1 to 25.